---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37400 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 732 5146 4 2355 7209 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d6:74:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81731sec preferred_lft 81731sec inet6 fe80::f816:3eff:fed6:7419/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37400) 08/14/26 _x86_64_ (2 CPU) 00:36:55 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 1.28 0.02 1.25 0.00 1.22 15.48 2.27 01:00:10 25.97 2.83 20.81 2.32 224.36 3431.40 832.48 01:10:01 1.36 0.00 1.36 0.01 0.00 22.78 0.38 01:20:10 1.32 0.00 1.30 0.02 0.01 21.53 1.93 01:30:00 16.97 0.73 1.82 14.42 96.95 198.46 108543.98 01:40:01 1.31 0.00 1.29 0.02 0.00 33.56 1.81 01:50:10 1.39 0.00 1.38 0.01 0.00 22.06 0.16 Average: 7.03 0.51 4.17 2.36 45.74 533.39 15331.44 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 6291100 7538176 283204 3.48 30916 1421948 525292 5.72 440968 1183992 128 01:00:10 5229104 7407684 360468 4.43 86004 2252876 625080 6.81 569844 2024496 1004 01:10:01 5201192 7381608 386644 4.75 86152 2254640 634880 6.92 576308 2026416 300 01:20:10 5191244 7373776 394468 4.85 86336 2256576 653856 7.12 595716 2028408 232 01:30:00 5142296 7389184 378108 4.65 86780 2319980 640012 6.97 590780 2081600 176 01:40:01 5116388 7368984 398284 4.90 86952 2325476 645892 7.04 597096 2087240 160 01:50:10 5081616 7336348 430912 5.30 87092 2327416 677872 7.38 628028 2089348 168 Average: 5321849 7399394 376013 4.62 78605 2165559 628983 6.85 571249 1931643 310 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 1.19 0.08 0.16 0.06 0.00 0.00 0.00 0.00 01:00:10 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:10 ens3 61.86 39.37 318.30 9.67 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 21.71 17.78 227.22 2.60 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 9.50 8.07 60.58 0.94 0.00 0.00 0.00 0.00 01:30:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 13.15 12.00 162.57 1.20 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 16.52 15.88 141.82 1.92 0.00 0.00 0.00 0.00 01:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 13.98 13.18 138.05 1.19 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.63 15.14 149.06 2.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37400) 08/14/26 _x86_64_ (2 CPU) 00:36:55 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.26 0.00 0.08 0.01 0.04 99.61 00:50:10 0 0.06 0.00 0.10 0.00 0.05 99.79 00:50:10 1 0.46 0.00 0.06 0.01 0.03 99.43 01:00:10 all 12.00 0.00 1.82 0.52 0.06 85.59 01:00:10 0 15.77 0.00 2.09 0.50 0.06 81.59 01:00:10 1 8.23 0.00 1.56 0.55 0.06 89.60 01:10:01 all 0.89 0.00 0.26 0.02 0.08 98.75 01:10:01 0 0.75 0.00 0.25 0.02 0.07 98.92 01:10:01 1 1.04 0.00 0.26 0.02 0.10 98.59 01:20:10 all 1.21 0.00 0.27 0.01 0.08 98.44 01:20:10 0 1.21 0.00 0.33 0.01 0.09 98.36 01:20:10 1 1.20 0.00 0.22 0.00 0.07 98.51 01:30:00 all 1.52 0.00 0.49 0.06 0.08 97.86 01:30:00 0 2.55 0.00 0.73 0.10 0.10 96.52 01:30:00 1 0.59 0.00 0.26 0.02 0.05 99.08 01:40:01 all 1.88 0.00 0.32 0.01 0.09 97.71 01:40:01 0 2.84 0.00 0.35 0.01 0.10 96.70 01:40:01 1 0.92 0.00 0.28 0.01 0.08 98.71 01:50:10 all 0.84 0.00 0.23 0.01 0.09 98.83 01:50:10 0 1.19 0.00 0.34 0.00 0.13 98.33 01:50:10 1 0.48 0.00 0.12 0.01 0.05 99.33 Average: all 2.66 0.00 0.49 0.09 0.07 96.68 Average: 0 3.50 0.00 0.60 0.09 0.09 95.73 Average: 1 1.84 0.00 0.39 0.09 0.06 97.61